510(k) Report

510(k) · Cleared

Cleared

AUREX-3

K981704510(k) TraditionalCleared Aug 5, 199883-day reviewClass II21 CFR 874.3400

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Adm Tronics Unltd, Inc. · KLW Masker, Tinnitus

Cleared on Aug 5, 1998 after an 83-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 3 later devices descend from it.

Decided
Aug 5, 1998
Review
83 days
Class
Class II
Product code
KLW
Recalls
None
Predicates
0

3 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2002: 2 descendants cleared2007: 1 descendant cleared1995200020052010201520202025
  1. This deviceK981704 AUREX-3Adm Tronics Unltd, Inc. · 1998
  2. Descendant · cites it directly · 1 of its ownK021202 UltraquietSound Technique System, LLC · 2002
  3. Descendant · cites it directly · 1 of its ownK013253 Hisonic-TRD Tinnitus Relief DeviceHearing Innovations, Inc. · 2002
  4. Descendant · 2 generations on · 0 of its ownK070648 The Inhibitor, Model 001Melmedtronics, Inc. · 2007

Most influential descendants

Showing 3 of 3 · See all
  • K021202UltraquietSound Technique System, LLC · 2002 · cites it directly1descendant
  • K013253Hisonic-TRD Tinnitus Relief DeviceHearing Innovations, Inc. · 2002 · cites it directly1descendant
  • K070648The Inhibitor, Model 001Melmedtronics, Inc. · 2007 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K981704AUREX-3Adm Tronics Unltd, Inc.1998—
+1K021202UltraquietSound Technique System, LLC2002—
+1K013253Hisonic-TRD Tinnitus Relief DeviceHearing Innovations, Inc.2002—
+2K070648The Inhibitor, Model 001Melmedtronics, Inc.2007—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200220
200710
FIG. 1 — Lineage of K981704, 1998–2007Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in KLW? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new KLW device

  1. #1 K260413 Levo Gen 2 Tinnitus Therapy Systemscore 11.8 · 1 generation · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it? (3)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K021202UltraquietSound Technique System, LLC20021
K013253Hisonic-TRD Tinnitus Relief DeviceHearing Innovations, Inc.20021

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K021202 (Sound Technique System, LLC, 2002) has gone furthest, with 1 descendant of its own.

How does its category compare?

All KLW devices

KLW Masker, Tinnitus: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KLW

1in 2024

2007: 22008: 22009: 22010: 12011: 42012: 12013: 42014: 42015: 42016: 32017: 22018: 22020: 22023: 32024: 12026 (partial year): 2
2007high 4 (2011) · low 0 (2019)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KLW

261in 2023

2011: 58 days median2013: 150 days median2014: 164 days median2015: 107 days median2016: 114 days median2023: 261 days median
2007high 261 (2023) · low 58 (2011)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · KLW

No recall names KLW since 2007.

Adverse event reports per year · KLW

4in 2015

2007: 12009: 12010: 12011: 12012: 12015: 4
2007high 4 (2015) · low 0 (2008)2025

MAUDE reports naming product code KLW, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20072—01
20082—00
20092—01
20101—01
201145801
20121—01
2013415000
2014416400
2015410704
2016311400
20172—00
20182—00
20190—00
20202—00
20210—00
20220—00
2023326100
20241—00
20250—00
20262—0—

What is it indicated for?

For use in treatment and control of tinnitus.

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K981704: AUREX-3.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K981704

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026